import axios from 'axios'
import 'element-plus/theme-chalk/el-message.css'
import { ElMessage } from 'element-plus'
import { useUserStore } from '@/stores/userStore'
import { useRouter } from 'vue-router'

// 创建axios实例
//https://pcapi-xiaotuxian-front-devtest.itheima.net/home/category/head
const httpInstance = axios.create({
  baseURL: 'https://pcapi-xiaotuxian-front-devtest.itheima.net',
  timeout: 20000
})

// axios请求拦截器
httpInstance.interceptors.request.use(config => {
  // 1. 从pinia获取token数据
  const userStore = useUserStore()
  const token = userStore.userInfo.token
  // 2. 按照后端的要求拼接token数据
  if(token){
     config.headers.Authorization = `Bearer ${token}`
  }
  return config
}, e => Promise.reject(e))

// axios响应式拦截器
httpInstance.interceptors.response.use(res => res.data, e => {
  //统一错误提示
  ElMessage({
    type:'warning',
    message: e.response?.data?.message
  })
  //若用户token过期或其他情况导致的token身份校验失败需要执行的操作
  const userStore = useUserStore()
  const router = useRouter()
  if(e.response?.status===401){
    //清除token并跳转到登录页面
    userStore.removeUserInfo()
    router.replace('/login')
  }
  return Promise.reject(e)
})


export default httpInstance